Spicer Tandem Drive Axles Service Manual D170, D190, and D590 Series - Manual (Page 77)

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Wheel End Seal
Lubricate Wheel End
Before operating the axle, the wheel hub cavities and
bearings must be lubricated to prevent failure.
When wheel ends are serviced, follow Spicer’s wheel end
lubrication procedure before operating the axle.
Spicer axles may be equipped with either of two wheel end
designs:
• Wheel ends with an oil fill hole.
• Wheel ends without an oil fill hole.
Wheel Ends with an Oil Fill Hole
1. Rotate the wheel end hub until the oil fill hole is up.
2. Remove the oil fill plug.
3. Pour 1/2 pint of axle sump lubricant into each hub
through the wheel end fill hole.
4. Install oil fill plug and tighten to specified torque.
CAUTION
3
1
2
1 - Wheel End Oil Fill Hole
2 - Proper Lubricant Level
3 - Lubricant Flow from Sump
Wheel End Seal